表达式8: "y" equals "x" tangent left parenthesis, "a" , right parenthesis left brace, 0 less than or equal to "x" less than or equal to "r" cos left parenthesis, "a" , right parenthesis , right bracey=xtana0≤x≤rcosa
8
表达式9: "y" squared plus "x" squared equals "r" squared left brace, 0 less than or equal to "y" less than or equal to "r" sin left parenthesis, "a" , right parenthesis , right brace left brace, 0 less than or equal to "x" , right bracey2+x2=r20≤y≤rsina0≤x
9
隐藏 标签 left parenthesis, "r" plus "b" , 0 , right parenthesisr+b,0
标签
equals=
left parenthesis, 110 , 0 , right parenthesis110,0
10
隐藏 标签 left parenthesis, "r" cos left parenthesis, "a" , right parenthesis , "r" sin left parenthesis, "a" , right parenthesis , right parenthesisrcosa,rsina
标签
equals=
left parenthesis, 86.6 0 2 5 4 0 4 , 50 , right parenthesis86.6025404,50
11
表达式12: "y" squared plus left parenthesis, "x" minus "f" , right parenthesis squared equals "r" squared left brace, 0 less than or equal to "y" less than or equal to "r" sin left parenthesis, "a" , right parenthesis , right brace left brace, "r" cos left parenthesis, "a" , right parenthesis less than or equal to "x" , right bracey2+x−f2=r220≤y≤rsinarcosa≤x
12
隐藏 标签 left parenthesis, "f" , 0 , right parenthesisf,0
标签
equals=
left parenthesis, 44.8 7 6 6 6 6 8 , 0 , right parenthesis44.8766668,0
13
表达式14: "y" equals "m" left parenthesis, "x" minus "f" , right parenthesis left brace, 0 less than or equal to "y" less than or equal to "r" sin left parenthesis, "a" , right parenthesis , right bracey=mx−f0≤y≤rsina
